Internal-combustion engine.



8. Z. HALL.

INTERNAL COMBUSTION ENGINE.

APPLICAHON FILED JAN. 29. l9l8.

Patented Mar. 25, 1919.

anion.

SIDNEY ZALESKI HALL, OF LONDON, ENGLAND.

INTERNAL-COMBUSTION ENGINE.

Specification of Letters Patent.

Patented Mar. 25, 1919.

Application filed January 29, 1918. Serial No. 214,403.

To all whom it may concern Be it known that I, SIDNEY ZALESKI HALL, asubject of the King of Great Britain and Ireland, residing at 76Victoria street, London, S. W., England, have invented certain new anduseful Improvements in and Relating to Internal-Combustion Engines, ofwhich the following is a specification.

This invention relates to an improved governor, and more particularly ashaft governor, for controlling the quantity of fuel delivered to thecylinder of an internal combustion engine using liquid fuel, and moreespecially by the method in which the stroke of the plunger of the fuelpump used for delivering the fuel to the engine is automaticallyregulated to suit the variation of load.

The main object of the present invention is to provide a simplifiedconstruction of shaft governor.

The present invention consists in a governor, and more particularly ashaft governor for varyingthe supply of'liquid fuel to the cylinder ofthe engine in accordance with the load, which governor comprises a blocksecured to the shaft, one part of which is made of circularcross-section, its-outer peripherybeing concentric with the shaft, whileanother part thereof is formed vwith two fiat surfaces, a ring mountedon the part of circular cross-section so as to be capable of angulardisplacement thereon, its

outer periphery being concentric with the by way of example one mode ofcarrying the invention into effect Figure 1 is a sectional elevation ofthe ed thereon, while another part thereof, viz.,

[) is formed with two flat surfaces b b and carries an eccentric (Zwhich imparts the necessary motion to the plunger of the fuel pumpdelivering fuel to the cylinder of the'engine and is free to slide alongthe flat surfaces 6 b on the block. This sliding movement of theeccentric causes its eccentricity to be changed for the purpose ofregulating the amount of fuel delivered to the engine. The ring 0 andthe eccentric d are interconnected, preferably by means of a die e andstud f, in such a manner that when the ring is rotated relatively to thecrankshaft, the eccentric is caused to slide along the flat surfaces 6 bon the block at right angles to the axis of the crankshaft. Theeccentric is mounted in such a manner that it is restrained from anyother relative movement except the radial sliding movement at rightangles to the axis of the crankshaft.

Two centrifugally operated weights 9 and h are pivoted to the fly-wheel2' at g and h respectively, or other carrier secured to the crankshafta, their outward movement under the action of centrifugal force, in adirection at right angles to the axis of the crankshaft and around theirpivots, being under the control of helical or other springs g and brespectively. The weights 9 and h are adapted to rotate the ring 0during their outward movement, and this may be effected by connectingthe weights to the rotatable ring 0 by means of studs and dies 7:, or bylinks, or any other suitable means.

The operation of the governor hereinbe fore described is as follows Whenthe crankshaft is stationary, the springs 7 h hold the weights 7 and itagainst the boss of the carrier 2', the eccentric being then in such aposition that it allows the maximum amount of fuel being delivered tothe engine. Upon the engine starting to run, the weights 9 and it moveoutward around their pivots h, under the action of centrifugal force,and in overcoming the pull of their respective springs g and if, thelatter become extended. This motion causes the ring to be angularly andmaximumthrow '(see Fig. 3) to the end position: marked 13,correspondingto the minimum throw (see Fig. l), thereby effecting agradual reduction in theeccentricity of the eccentric. In the same way,

whenthe weights 9 h move inward toward 7 V the center 10f thecrankshaft, the operation 7 center of the eccentric will take a position7 between the two positions marked A and V B so that the eccentricitywill always --cor-' hereinbefore described is reversed. The

respond to-the loadon the engine at the par- "ticular moment,andthesupply of liquid fuel to the cylinder will be proportional to theload. a

- I wish ltitO be understood thatthe details for carryingthe inventioninto effect may be" modified in various respects without d6? 7 Vpartingfrom the spirit of'the' invention.

I as

' What I claim is:; a

l. A governor for varying the supply of liquid fuel to thecylinder of aninternal.

combustion engine (in accordance withjthe load, comprlslng a blocksecured to the shaft of the engine, said block having one part ofcircular cross-section, the'outer periphery of which isconcentric withthe shaft and another part formed with two flat surfaces, as

ringcarriedon the part of circular crosssection of the block'so asv'tobe capable of angular displacement thereon, the outer periphery of saidringbeing concentric with. the shaft, centrifugal weights and springsattached thereto for displacing the said ring,

and an eccentric mountedon the part of the block'formed with the two.flat surfaces so that it shall be capable of being displaced by the ringalong the said flat surfaces to get load, comprising ablock securedtotheshaft ofthe engine, said block having onev part of r a diflerenteccentricity, as andforthe pur-j- V circular cross-section, the outerperiphery of which is concentric with the shaft and an other partformed'with'two flat'surfaces,

a ring carried on the part of circular cross section oftheblock so as tobe capable of angular displacement thereon,the outer periphery of saidring beingcon'centric with] the shaft, centrifugal weights and. springsattached thereto for. displacing 'the fsa'id ring, means forinterconnecting thering and the centrifugal weights, an eccentricmounted Onithe paitof the block formed witl'rthe' i two flat surfaces sothatit shall be capable of being displacedby the ring along the said Qflat surfaces to get a diiferentleccentricity,

and means for interconnecting the ringand A the eccentric, as and forthe purpose set forth. i. 1 L e a,

In testimony whereofI have signed'my name to this specification. V ASIDNEY ZALESKI HALL.

lcopies'iof is patent may be'obtained for five=cents each, by addressingthe Commissioner ofiatents,

Washington, D. C.

